what are the common causes of physical and chemical change
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Physical changes are caused by forces like motion, temperature, and pressure. Chemical changes happen on a much smaller level. Most of these changes between molecules are unseen. Factors that affect the rate of chemical changes include: temperature, concentration, surface area, inhibitors, and catalysts.
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physical changes happens when a object changes in colour or shape or size but it is still the same for example tearing paper
chemical change happens when an object changes in the chemical properties example milk converted to yogurt
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